diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..a5be998
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,15 @@
+version: 2
+updates:
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    reviewers:
+      - "furusax0621"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    reviewers:
+      - "furusax0621"
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 02270f7..60ed869 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,20 +10,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: check out code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
-      - name: set up Go 1.17
-        uses: actions/setup-go@v2
+      - name: set up Go
+        uses: actions/setup-go@v4
         with:
-          go-version: "1.17"
-
-      - name: restore cache
-        uses: actions/cache@v2
-        with:
-          path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
+          go-version-file: "go.mod"
 
       - name: test
         run: |
diff --git a/go.mod b/go.mod
index 05e0296..5536d95 100644
--- a/go.mod
+++ b/go.mod
@@ -1,7 +1,7 @@
 module github.com/furusax0621/go-nabeatsu
 
-go 1.17
+go 1.21
 
-require golang.org/x/term v0.0.0-20210927222741-03fcf44c2211
+require golang.org/x/term v0.14.0
 
-require golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 // indirect
+require golang.org/x/sys v0.14.0 // indirect
diff --git a/go.sum b/go.sum
index 26b086d..c2b3f18 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,4 @@
-golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 h1:SrN+KX8Art/Sf4HNj6Zcz06G7VEz+7w9tdXTPOZ7+l4=
-golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 h1:JGgROgKl9N8DuW20oFS5gxc+lE67/N3FcwmBPMe7ArY=
-golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
+golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/term v0.14.0 h1:LGK9IlZ8T9jvdy6cTdfKUCltatMFOehAQo9SRC46UQ8=
+golang.org/x/term v0.14.0/go.mod h1:TySc+nGkYR6qt8km8wUhuFRTVSMIX3XPR58y2lC8vww=